:root {
  --bg: #FAF9F6;
  --surface: #F0EEE9;
  --ink: #1A1A1A;
  --text: #5C5A55;
  --muted: #8A8780;
  --accent: #8B1E1E;
  --border: #D8D5CE;
  --code-bg: #1E1E1E;
  --code-text: #E8E6E1;
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;
  --space-10: 8rem;
  --container: 1200px;
  --radius: 2px;
  --transition: 0.2s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.7;
  overflow-x: hidden;
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--surface);
}
::-webkit-scrollbar-thumb {
  background: var(--muted);
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

/* Progress bar */
#portcv-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: var(--accent);
  z-index: 1000;
  transition: width 0.1s linear;
}

/* Back to top */
#back-to-top {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--ink);
  font-size: 1.5rem;
  cursor: pointer;
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 999;
  transition: background 0.2s, color 0.2s;
}
#back-to-top:hover {
  background: var(--accent);
  color: var(--bg);
}
#back-to-top.visible {
  display: flex;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 249, 246, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.site-nav {
  max-width: var(--container);
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
}

.nav-menu {
  list-style: none;
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-menu a {
  color: var(--text);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}

.nav-menu a:hover,
.nav-menu a:focus {
  color: var(--accent);
}

.nav-menu a[data-portcv-resume-link] {
  border: 1px solid var(--accent);
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  color: var(--accent);
  transition: background 0.2s, color 0.2s;
}

.nav-menu a[data-portcv-resume-link]:hover {
  background: var(--accent);
  color: var(--bg);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle-line {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--ink);
  margin: 4px 0;
  transition: transform 0.3s, opacity 0.3s;
}

/* Hero */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 2rem 2rem 4rem;
  max-width: var(--container);
  margin: 0 auto;
  gap: 4rem;
  position: relative;
  background-image: radial-gradient(circle, var(--border) 1px, transparent 1px);
  background-size: 20px 20px;
}

.hero-content {
  flex: 1;
}

.hero-meta {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  margin-bottom: 1rem;
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 600;
  line-height: 1.05;
  margin-bottom: 1rem;
}

.hero-statement {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  font-style: italic;
  color: var(--text);
  margin-bottom: 1.5rem;
}

.hero-value {
  max-width: 60ch;
  color: var(--text);
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: background 0.2s, color 0.2s;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg);
}

.btn-primary:hover {
  background: #6d1717;
}

.btn-secondary {
  color: var(--accent);
}

.btn-secondary:hover {
  background: var(--accent);
  color: var(--bg);
}

.hero-proof {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--muted);
}

.hero-image-wrap {
  flex: 0 0 40%;
  display: flex;
  justify-content: center;
}

.hero-figure {
  margin: 0;
  border: 1px solid var(--border);
  padding: 1rem;
  background: var(--surface);
  transform: rotate(2deg);
  box-shadow: 4px 4px 0 var(--accent);
}

.hero-image {
  width: 100%;
  height: auto;
  display: block;
  filter: grayscale(100%) sepia(20%) hue-rotate(320deg) saturate(150%);
}

.hero-figure figcaption {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--muted);
  text-align: center;
  margin-top: 0.5rem;
}

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--muted);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* About */
#about {
  padding: var(--space-9) 2rem;
  background: var(--surface);
}

.about-grid {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 500;
  margin-bottom: 1.5rem;
}

.about-text p {
  margin-bottom: 1rem;
  color: var(--text);
  max-width: 65ch;
}

.about-subtitle {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.about-focus {
  list-style: none;
  padding-left: 1rem;
  border-left: 2px solid var(--accent);
}

.about-focus li {
  margin-bottom: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text);
}

.about-figure {
  margin: 0;
  border: 1px solid var(--border);
  padding: 1rem;
  background: var(--bg);
  transform: rotate(-2deg);
  box-shadow: -4px 4px 0 var(--accent);
}

.about-image {
  width: 100%;
  height: auto;
  display: block;
  filter: grayscale(100%) sepia(20%) hue-rotate(320deg) saturate(150%);
}

.about-figure figcaption {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--muted);
  text-align: center;
  margin-top: 0.5rem;
}

/* Work */
#work {
  padding: var(--space-9) 2rem;
}

.work-header {
  max-width: var(--container);
  margin: 0 auto 3rem;
}

.work-intro {
  color: var(--text);
  max-width: 60ch;
}

.project-list {
  list-style: none;
  max-width: var(--container);
  margin: 0 auto;
}

.project-row {
  display: grid;
  grid-template-columns: 200px 1fr 200px auto;
  gap: 2rem;
  align-items: center;
  padding: 2rem 0;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s;
}

.project-row:hover {
  background: var(--surface);
}

.project-thumb {
  overflow: hidden;
  border: 1px solid var(--border);
}

.project-thumb img {
  width: 100%;
  height: 150px;
  object-fit: cover;
  display: block;
  filter: grayscale(100%) sepia(20%) hue-rotate(320deg) saturate(150%);
  transition: transform 0.3s;
}

.project-row:hover .project-thumb img {
  transform: scale(1.05);
}

.project-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.project-desc {
  color: var(--text);
  font-size: 0.9rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.project-tags span {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background: var(--surface);
  padding: 0.25rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.project-link {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
}

.project-link:hover {
  text-decoration: underline;
}

/* Languages */
#languages {
  background: var(--code-bg);
  color: var(--code-text);
  padding: var(--space-9) 2rem;
}

.languages-header {
  max-width: var(--container);
  margin: 0 auto 3rem;
}

.languages-header .section-label {
  color: var(--accent);
}

.languages-header .section-title {
  color: var(--code-text);
}

.languages-intro {
  color: var(--muted);
  max-width: 60ch;
}

.language-list {
  list-style: none;
  max-width: var(--container);
  margin: 0 auto;
}

.language-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s;
}

.language-item:hover {
  background: rgba(255, 255, 255, 0.05);
}

.language-name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.language-use {
  color: var(--muted);
  font-size: 0.9rem;
}

.language-level {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.5rem;
}

.level-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
}

.level-bar {
  height: 4px;
  background: var(--border);
  position: relative;
}

.level-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background: var(--accent);
  width: 0;
  transition: width 0.8s ease;
}

.level-bar.animated::after {
  width: attr(data-level);
}

/* Approach */
#approach {
  padding: var(--space-9) 2rem;
}

.approach-header {
  max-width: var(--container);
  margin: 0 auto 3rem;
}

.approach-intro {
  color: var(--text);
  max-width: 60ch;
}

.process-list {
  list-style: none;
  max-width: var(--container);
  margin: 0 auto;
}

.process-step {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 1.5rem;
  margin-bottom: 1rem;
  border-left: 3px solid var(--accent);
  transition: transform 0.2s, box-shadow 0.2s;
}

.process-step:hover {
  transform: translateX(5px);
  box-shadow: 2px 2px 0 var(--accent);
}

.step-header {
  display: flex;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.step-prompt {
  color: var(--accent);
}

.step-command {
  color: var(--ink);
}

.step-desc {
  color: var(--text);
  font-size: 0.9rem;
}

/* Contact */
#contact {
  padding: var(--space-9) 2rem;
  background: var(--surface);
}

.contact-grid {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 40% 60%;
  gap: 4rem;
}

.contact-intro {
  color: var(--text);
  margin-bottom: 2rem;
}

.contact-links {
  list-style: none;
}

.contact-links li {
  margin-bottom: 0.5rem;
}

.contact-links a {
  color: var(--accent);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.contact-links a:hover {
  text-decoration: underline;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-field {
  display: flex;
  flex-direction: column;
}

.form-field label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 0.25rem;
}

.form-field input,
.form-field textarea {
  border: none;
  border-bottom: 1px solid var(--border);
  background: transparent;
  padding: 0.5rem 0;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--ink);
  transition: border-color 0.2s;
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-bottom-color: var(--accent);
}

.form-field textarea {
  resize: vertical;
  min-height: 100px;
}

.contact-form .btn {
  align-self: flex-start;
}

/* Footer */
.site-footer {
  text-align: center;
  padding: 2rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg);
    flex-direction: column;
    padding: 1rem 2rem;
    border-bottom: 1px solid var(--border);
  }

  .nav-menu.open {
    display: flex;
  }

  .nav-menu li {
    margin-bottom: 1rem;
  }

  #hero {
    flex-direction: column;
    padding-top: 4rem;
    gap: 2rem;
  }

  .hero-image-wrap {
    flex: 1;
    width: 100%;
  }

  .about-grid {
    grid-template-columns: 1fr;
  }

  .project-row {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .project-thumb img {
    height: 200px;
  }

  .language-item {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 480px) {
  .hero-name {
    font-size: 2.5rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
    text-align: center;
  }

  .project-thumb img {
    height: 150px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}
button:not(:disabled),[role="button"]{cursor:pointer}button:disabled{cursor:not-allowed}